Re: bin/50638: Extreme slowness on loading gzipped kernels on old CPUs

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

The following reply was made to PR bin/50638; it has been noted by GNATS.

From: Joerg Sonnenberger <joerg%britannica.bec.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, tsutsui%ceres.dti.ne.jp@localhost
Subject: Re: bin/50638: Extreme slowness on loading gzipped kernels on old
 CPUs
Date: Sun, 10 Jan 2016 19:22:19 +0100

 On Sun, Jan 10, 2016 at 06:10:01PM +0000, Martin Husemann wrote:
 > The following reply was made to PR bin/50638; it has been noted by GNATS.
 > 
 > From: Martin Husemann <martin%duskware.de@localhost>
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc: 
 > Subject: Re: bin/50638: Extreme slowness on loading gzipped kernels on old CPUs
 > Date: Sun, 10 Jan 2016 19:07:52 +0100
 > 
 >  On Sun, Jan 10, 2016 at 05:40:00PM +0000, Izumi Tsutsui wrote:
 >  > (3) completely disable gunzip crc32() calculation in cread() function
 >  
 >  My vote is on (3).
 >  
 >  Thanks for dealing with this!
 
 Can you try the faster crc32 from libarchive? It doesn't add much code
 and IMO having the verification is quite useful.
 
 Joerg